CATENULARIA HAPLOGRAPHIUM. 381 



very short, scarcely distinguishable from the conidia, aggre- 

 gated at the tips of the hyphae ; conidia in simple or slightly 

 branched chains and forming a small dark olive-coloured 

 head, conidia elliptic- oblong, simple, olive, 4-5 x 2 5 yu. 



Haplagraphium delicatulum, B. & Br., Ann. Nat. Hist., 

 n. 818, t. 9, f. 4; Sacc., Syll., iv. n. 1484. 



On dead trunks. 



Haplographium chartarum. Sacc. 



Tufts minute, olive, suborbicular or irregular, 416 mm. 

 diameter ; fertile hyphae simple or sparingly branched 

 above ; chains of conidia simple or branched ; conidia oblong, 

 pale olive, 4-5 p. long. 



Haplographium chartarum, Sacc., Syll., iv. n. 1487. 



Penicillium chartarum, Cke., Pop. Science Rev., 1871, t. 68, 

 f. 4. 



On decaying paper, along with Sporodesmium alternaria. 



Haplographium bicolor. Grove. 



Fertile hyphae effused, gregarious, erect, straight, sep- 

 tate sometimes 2-3 connate at the base, blackisti-brown, 

 opaque, paler towards the rounded tip, base bulbous, 

 250-300 x 8 p. ; conidiophores numerous, radiating, pale, 

 fasciculately branched ; conidia oblong or ovate, subacute, 

 hyaline, 4-5 p. long, involved in mucus and forming an 

 obovate pale honey-coloured head. 



Haplographium bicolor, Grove, Science Gossip, 1885, p. 197, 

 f. 127, 128; Sacc., Syll., iv. n. 1490. 



On decayed wood. 



Haplographium tenuissimum. Grove. 



Effused, delicate, pale brown ; fertile hyphae unbranched, 

 | mm. long, straight, filiform, base dilated, brown, semi- 

 pellucid ; head subglobose formed by the yellow fasciculate 

 conidiophores ; conidia elliptic-fusiform, 4-5 p. long, in lax 

 chains. 



Haplographium tenuissimum, Grove, Sc. Gossip, 1885, p. 198, 

 f. 130; Sacc., Syll., iv. n. 1491. 



Graphium tenuissimum, Cda. 



On chips, wood, &c. 



Haplographium saponis. Sacc. 

 Black ; sterile hypbae creeping, fertile erect, forked at the 



